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Process chemistry monitoring at the HGP-A power plant : analytical results, process problems and modifications
|Title:||Process chemistry monitoring at the HGP-A power plant : analytical results, process problems and modifications|
|Authors:||Thomas, Donald M.|
show 8 morebrine chemistry
|Issue Date:||Oct 1982|
|Publisher:||Geothermal Resources Council|
|Citation:||Thomas DM. 1982. Process chemistry monitoring at the HGP-A power plant : analytical results, process problems and modifications. Transactions: vol. 6, October 1982, 401-404. Davis (CA): Geothermal Resources Council.|
|Abstract:||"The HGP-A generator plant began operations on June 12, 1981 and came online on a continuous bases on March 1, 1982. During this period process problems were identified and, in most cases, plant modifications have eliminated the difficulties. Silica in the brine was stable at a pH 7.5, however, at a pH above 9.5 deposition of silica was triggered in a brine disposal system and required abandonment of the hydrogen sulfide abatement process originally proposed of the brine system. The steam phase sulfide abatement system for standby conditions was 90% effective, although superheat in the treatment system reduced abatement efficiency. Brie carryover through the separator was very low; however, scale deposition on the turbine blades resulted in substantial damage to the turbine. Non-condensable gases in the condenser were weakly partitioned into the liquid phase, and about 99% were carried into the off gas treatment system which was found to be approximately 99% effective."|
Author's affiliation: Hawaii Institute of Geophysics, University of Hawaii at Manoa
|Sponsor:||HGP-A Geothermal Wellhead Environmental Monitoring (contract no. 14937)|
|Appears in Collections:||The Geothermal Collection|
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